Update to RubyGems 1.1.1 r1701.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15980 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 29 insertions, 5 deletions

diff --git a/lib/rubygems.rb b/lib/rubygems.rb
index 3f9657ac1e..1cb205cbc9 100644
--- a/lib/rubygems.rb
+++ b/lib/rubygems.rb
@@ -97,7 +97,7 @@ module Gem
 
   @configuration = nil
   @loaded_specs = {}
-  @platforms = nil
+  @platforms = []
   @ruby = nil
   @sources = []
 
@@ -215,7 +215,7 @@ module Gem
 
   def self.bindir(install_dir=Gem.dir)
     return File.join(install_dir, 'bin') unless
-    install_dir.to_s == Gem.default_dir
+      install_dir.to_s == Gem.default_dir
     Gem.default_bindir
   end
 
@@ -451,10 +451,21 @@ module Gem
   end
 
   ##
-  # Array of platforms this RubyGems supports.
+  # Set array of platforms this RubyGems supports (primarily for testing).
+
+  def self.platforms=(platforms)
+    @platforms = platforms
+  end
 
+  ##
+  # Array of platforms this RubyGems supports.
+  
   def self.platforms
-    @platforms ||= [Gem::Platform::RUBY, Gem::Platform.local]
+    @platforms ||= []
+    if @platforms.empty?
+      @platforms = [Gem::Platform::RUBY, Gem::Platform.local]
+    end
+    @platforms
   end
 
   ##
@@ -463,7 +474,9 @@ module Gem
   def self.prefix
     prefix = File.dirname File.expand_path(__FILE__)
 
-    if prefix == File.expand_path(ConfigMap[:sitelibdir]) then
+    if File.dirname(prefix) == File.expand_path(ConfigMap[:sitelibdir]) or
+       File.dirname(prefix) == File.expand_path(ConfigMap[:libdir]) or
+       'lib' != File.basename(prefix) then
       nil
     else
       File.dirname prefix
@@ -471,6 +484,17 @@ module Gem
   end
 
   ##
+  # Refresh source_index from disk and clear searcher.
+
+  def self.refresh
+    source_index.refresh!
+
+    MUTEX.synchronize do
+      @searcher = nil
+    end
+  end
+
+  ##
   # Safely read a file in binary mode on all platforms.
 
   def self.read_binary(path)